Differences

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--- stm32:peripherals:dma_connection [2016/09/22 12:11] – feur
+++ stm32:peripherals:dma_connection [2022/12/28 07:53] (current) – [Periphery/Memory Interface] ruan
@@ Line 1: / Line 1: @@
 ====== DMA Connections ======
-===== AHB Bus Matrix =====
+Each DMA controller is connected to the rest of the system in a different way. \\
+For memory to memory transfers you should use the DMA controller 2! \\
-\\ {{ahb_bus_matrix.svg?700em}} \\ \\
+\\ {{dma1_matrix.svg?350em}} {{dma2_matrix.svg?350em}} \\ \\
-===== DMA request mapping =====
-==== DMA1 ====
+===== DMA controller 1 =====
-\\ {{dma1_connection.svg?700em}} \\ \\
+==== Peripheral Interface ====
+On the peripheral interface the following marked peripherals are accessible. \\
+The <color red>red</color> peripherals can request a DMA transfer (see table below). \\
+\\ {{dma1_periphery.svg?350em}} \\ \\
 |< 100% 7em >|
@@ Line 22: / Line 27: @@
 ^ Channel 7 | | TIM6 Up | I2C2 RX | I2C2 RX | USART3 TX | DAC1 | DAC2 | I2C2 TX |
-==== DMA2 ====
+==== Memory Interface ====
+On the memory interface the following marked peripherals are accessible. \\
+\\ {{dma1_memory.svg?350em}} \\ \\
+===== DMA controller 2 =====
+==== Peripheral/Memory Interface ====
+This DMA controller can access the same peripherals on the memory interface as on the peripheral interface. \\
+The <color red>red</color> peripherals can request a DMA transfer (see table below). \\
-\\ {{dma2_connection.svg?700em}} \\ \\
+\\ {{dma2_mem_per.svg?350em}} \\ \\
 |< 100% 7em >|